LLM Engineer (Remote)

Cognizant is seeking an LLM Engineer to join its AI Engineering team and help power the enterprise Agent Factory. The role focuses on designing, fine-tuning, optimizing, evaluating, and deploying scalable LLM and SLM solutions, while collaborating with data scientists, platform engineers, product teams, and business stakeholders.

Responsibilities:

• Design, build, fine-tune, deploy, and optimize LLM and SLM solutions for enterprise-scale use cases
• Develop and maintain supervised fine-tuning, model adaptation, and evaluation pipelines
• Apply advanced model optimization techniques including LoRA, QLoRA, distillation, quantization, and model compression to improve performance and efficiency
• Assess commercial, open-source, and internally hosted foundation models based on quality, cost, scalability, and operational requirements
• Collaborate with cross-functional teams to support domain-specific AI solutions using approved enterprise datasets and best practices for responsible AI